Stop for sliding doors or windows



FIG. 1 is an isometric view of a stop for sliding doors or windows showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof. 

The ornamental design for a stop for sliding doors or windows, as shown. 